media: dvb_frontends: make static read-only array fec_tab const

The static array fec_tab is read-only so it make sense to make
it const.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/media/dvb-frontends/stv0299.c

@@ -161,8 +161,9 @@ static int stv0299_set_FEC(struct stv0299_state *state, enum fe_code_rate fec)
 
 static enum fe_code_rate stv0299_get_fec(struct stv0299_state *state)
 {
-	static enum fe_code_rate fec_tab[] = { FEC_2_3, FEC_3_4, FEC_5_6,
-					       FEC_7_8, FEC_1_2 };
+	static const enum fe_code_rate fec_tab[] = {
+		FEC_2_3, FEC_3_4, FEC_5_6, FEC_7_8, FEC_1_2
+	};
 	u8 index;
 
 	dprintk ("%s\n", __func__);